The 2011-UP GM 2500HD / 3500HD requires significant Shock damping to comply with the massive spring rate of the factory torsion bar system. ICON Vehicle Dynamics has developed a range of Suspension Lift Kits with optimized vehicle specific Shock damping. These systems offer excellent on and offroad drivability. While driving the construction site or trails to your favorite dirt bike location, ICON wants you to get there in comfort just like your drive to work. The ICON vehicle specific tuned 2.5" Shock are the key to attaining optimum ride quality and getting that desired comfort with the 3/4 and 1 ton working capability. Reservoir Shock ensure optimum performance by increasing the duration of consistent damping regardless of situation, keeping the Shock at a cooler operating temperature during heavy use. Additionally uniball upper control arms add strength and durability, with the ability to use a longer extended length Shock offering 25% more droop travel.

Fitment
| Year | Make | Model | Driveline |
|---|---|---|---|
| 2011-2019 | Chevrolet | Silverado 2500 HD | N/A |
| 2011-2019 | Chevrolet | Silverado 3500 HD | N/A |
| 2011-2019 | GMC | Sierra 2500 HD | N/A |
| 2011-2019 | GMC | Sierra 3500 HD | N/A |
Features
- Vehicle specific tuned 2.5" front and rear shocks for superior shock damping and control
- Improved ride quality over stock with no change in towing capacity
- Wheel travel increase of 2" over stock
- 100% Bolt-on system - no drilling, cutting, or welding necessary for install
- 6061 Aircraft grade aluminum CNC machined components
- 2.5 Aluminum Series front and rear shocks feature one-piece impact extruded aluminum cylinders for excellent corrosion resistance and consistent finish
Components
| 1 | 78500DJ | Tubular Steel Delta Joint Upper Control Arms |
| 1 | 77732P | (0-2"" Lift) V.S. 2.5 Series piggyback reservoir front Shock for use with UCA (Pair) |
| 1 | 77701P | (0-2"" Lift) V.S. 2.5 Series piggyback reservoir rear Shock (Pair) |
Important Notes
- OEM Wheels & Tires Fitment: Yes
- Recommended Aftermarket Wheels: ICON Alloys - 18x9" w/ 5.50" Backspace / 12mm Offset
- Recommended Aftermarket Wheels: ICON Alloys - 20x9" w/ 5.50" Backspace / 12mm Offset
- Recommended Aftermarket Tires: 33" x 11.50" (Larger tires may fit but fender trimming and modifications will be required.)
- APPLICATION NOTE #55: Shocks Are Fully Serviceable. Coilover Heights Indicated Are For A Stock Equipped Vehicle
- APPLICATION NOTE #65: Not Sold Separately, Only Sold In Complete Kit Form As Listed
- APPLICATION NOTE #113: 26.13" Is Max Measurement From Fender To Hub, Exceeding The Maximum Lift Height Of 26.13" Can Lead To Component Failure Not Covered By ICON Warranty
- Ships in multiple boxes
ICON 2011-2019 GM 2500/3500 HD, 0-2" Lift, Stage 2 Suspension System | 2011-2019 Chevrolet/GMC Silverado/Sierra 2500 HD/3500 HD 2WD/4WD
Fits - 2011-2019 Chevrolet Silverado 2500 HD 3500 GMC Sierra
Fits - 2011-2019 Chevrolet Silverado 2500 HD 3500 GMC Sierra
- SKU : FRDKK78102
- Part Number : K78102
Regular Price
$3,260.15
Special Price $2,771.13
Special Price $2,771.13
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